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Nasdaq Issues Upbeat Report
On SuperSoes Trading System

NEW YORK -- The Nasdaq Stock Market issued a generally upbeat report card on the first weeks of trading under its new stock-trading system, SuperSoes.

SuperSoes, which was rolled out to all Nasdaq National Market stocks in late July, fills stock orders more quickly and completely than other Nasdaq systems, the study by Nasdaq's economic-research department found. SuperSoes, which provides for automatic execution of orders, is part of a larger overhaul of Nasdaq's trading engines that is expected to be completed during the first...